.container {
  position: relative;
}
.container .image-slider {
  display: flex;
  overflow: hidden;
  width: 100%;
  height: 100%;
  overflow-x: scroll;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
}
.container .image-slider img {
  width: 100%;
  height: 50%;
  flex-shrink: 0;
  scroll-snap-align: start;
}
.container .mask {
  width: 100%;
  position: absolute;
  bottom: 0;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  background-color: black;
  opacity: 0.5;
  color: #fff;
}
.container .mask .slider-spot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #fff;
  margin: 0 5px;
}
